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Review of the June 10 and 11, 2026 Derecho and QLCS

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

57°F

14°C

Humidity	88%
Wind Speed	S 5 mph
Barometer	29.63 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	17 Jun 7:45 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Merton WI

Today
High: 62 °F
Showers
Tonight
Low: 54 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 72 °F
Gradual
Clearing
Thursday Night
Low: 51 °F
Decreasing
Clouds
Juneteenth
High: 73 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 56 °F
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 71 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Today

Showers before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 62. Southwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Cloudy, with a low around 54. South wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 40%.

Thursday

Cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind around 15 mph.

Thursday Night

Mostly cloudy, then gradually becoming clear, with a low around 51. West wind 5 to 10 mph.

Juneteenth

Sunny, with a high near 73. Northwest wind 5 to 15 mph.

Friday Night

Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning.

Saturday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 50%.

Monday

Mostly sunny, with a high near 73.

Monday Night

Partly cloudy, with a low around 53.

Tuesday

Mostly sunny, with a high near 76.